e at the back and call of...
听从...的使唤
例句
You're always at the back and call of her.
你总是对她言听计从.
We are always at the back and call of our clients in need.
我们总是听从客户需要的召唤.
They live at the back and call of others,and are obliged to do a great deal of work for which they receive no pay whatever.